Engine guard for a motorcycle



FIG. 1 is a front perspective view of an engine guard for a motorcycle embodying my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof;

FIG. 5 is an enlarged left sde elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an engine guard for a motorcycle, as shown and described. 